4. Probability

Which of the following is a qualitative forecasting method?

Suppose the probability density function is given by $f\left(x\right)=\frac{1}{2}$ for $0\le x\le 2$ and $f\left(x\right)=0$ otherwise. What is the probability that $x$ is between $1$ and $3$?

In the context of probability, what is the sample space when rolling a standard $6$-sided die?

Which characteristic must be known about a data set before the empirical rule can be applied?

If a bag contains only blue and red marbles, and the probability of picking a blue marble is $\frac{3}{25}$, what is the probability of picking a red marble?

In the context of probability experiments, which of the following best describes an $independent$ variable?

Which of the following statements best describes a probability distribution?

Which measurement level best describes the variable $\text{temperature measured in degrees Celsius}$?

Which of the following can be reasonably modeled by a $normaldistribution$?

$\text{Which of the following is an example of nominal data?}$

Which of the following is a property of a probability density function ($pdf$)?

Which of the following is the primary reason for transforming a set of raw scores into a set of $z$-scores?

Which of the following values can represent the probability of an event?

Which of the following is an example of inferential statistics?

The benefit of using inferential statistics is that it allows a researcher to: